Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932664AbWKENDL (ORCPT ); Sun, 5 Nov 2006 08:03:11 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S932683AbWKENDL (ORCPT ); Sun, 5 Nov 2006 08:03:11 -0500 Received: from wx-out-0506.google.com ([66.249.82.237]:27611 "EHLO wx-out-0506.google.com") by vger.kernel.org with ESMTP id S932664AbWKENDK (ORCPT ); Sun, 5 Nov 2006 08:03:10 -0500 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=IucIMNz55GH23WbK1Icup2PfTP2ahrkxW1l7pxZsHWSzHFtfLBRH4F6CYb7c9qaP7EoOfiReEyOxhJ2Jp8vQlZNow4zEoslWAOnKuBDHbi03UaN4uV84lQsRk2118d5MLauViea+ekWNGLlmhAadUmfdXa4cYpUOym3v8wpcbMc= Message-ID: Date: Sun, 5 Nov 2006 14:03:09 +0100 From: "Maurizio Lombardi" To: linux-kernel@vger.kernel.org Subject: Re: New filesystem for Linux In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <454A76CC.6030003@cosmosbay.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 697 Lines: 20 On 11/4/06, Mikulas Patocka wrote: >free space is organized in lists of free runs >and converted to bitmap only in case of >extreme fragmentation. There is a performance reason to prefer lists of free blocks rather than bitmap? I read from [Tanenbaum: Operating System, Design and Implementation II ed. ] that lists are better than bitmap only when disk is almost full. -- -------------------- Maurizio Lombardi - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/